How to choose a video surveillance system
Video surveillance systems are increasingly part of our lives. Installed video camera significantly increases safety: criminals prefer to "work" where there is no video surveillance. Before those who decided to get a video surveillance system, gets a choice - what system to choose?
Instruction how to choose a video surveillance system
To begin with, clearly define what the objectives should be the installed CCTV system, what she should do. Proper identification of problems will allow you to choose the most suitable system, and, in some cases, save on costs. Given that in reputable companies design and installation of such systems is carried out by specialized firms, consider the easiest option - the choice of video systems for private homeownership.
A good surveillance system should protect your house from all sides, leaving no "blind" zones. At the same time, the number of installed cameras should be the minimum necessary, they should not overlap. Video cameras installed along the perimeter of the household must be sufficiently conspicuous - in this case, their very presence will serve as a protective function. When planning the purchase of video cameras, carefully plan the number and location.
Surveillance cameras are divided into internal and external. The latter must withstand high humidity and temperature changes, so are more expensive than those that are installed on the premises. Most good video camera can operate even in complete darkness. The internal video camera can be installed covertly, this model uses a very small lens.
The most important part of the video surveillance system is the DVR. In its simplest form, it takes on the function of a conventional computer, coming from the camera information is written to the hard disk. More expensive and complex option involves the installation of a single DVR - he has several high capacity hard drive, is resistant to computer crashes and power outages.
In the most difficult cases, a video server - thanks to the internet connection at the owner an opportunity to view the image coming from the camera, being thousands of kilometers away from home. The video server takes over, and many other security problems: for example, it can be connected to a line of security and fire alarm systems. Functions of the video server, in a simplified form, can take on a normal home computer.
Even fully mounted surveillance system can not work without specialized software. To configure the system when no problems with software compatibility, buy the whole set of equipment and software in a specialized firm. In this case, you simplify the process of setting up and will be able to rely on after-sales service.